Lenovo Battery Internal 4 Cell 52.5Wh LiIon SMP

The Lenovo 5B11M90026 is an internal lithium-ion replacement battery for a compatible Lenovo laptop, identified for the ThinkPad P14s Gen 3. Installed inside the computer, it provides power when the laptop is away from a mains connection. The exact part number identifies this battery variant.

Its four-cell configuration has a rated voltage of 15.48 V and an energy capacity of 52.5 Wh. These specifications describe the battery’s cell arrangement, voltage and stored energy.

This part is intended to replace the installed battery in the stated ThinkPad P14s Gen 3 context. Check the model and part number when identifying a replacement, since the description establishes compatibility with that model context rather than laptops generally.